Dr. Crowson Dr. Crowson is currently President of Pathology Laboratory Associates, Vice President of RML and Chief of Medical Staff at St. John Medical Center in Tulsa, OK. Dr. Crowson joined Pathology Laboratory Associates, Inc. in April of 1999, coming from Winnipeg, Canada. He did his premed at Queens University in Kingston, Ontario and attended medical school at the University of Manitoba, graduating in 1980. He did his postgraduate training at the University of Toronto in Anatomic Pathology and Hematopathology. He spent fourteen years in Winnipeg doing combined AP and CP and directing the laboratory department at the Misericordia General Hospital and Central Medical Laboratories. Dr. Crowson is a Clinical Professor of Dermatology, Pathology and Surgery at the University of Oklahoma Medical School, where he is Director of Dermatopathology. He has over 320 publications including an award-winning book on melanoma, now in press as a second edition, Textbook of Dermatopathology (McGraw Hill, 2010) which he co-edits with Raymond Barnhill, Cynthia Magro and Michael Piepkorn, Biopsy Interpretation of the Skin (Lippincott, 2010) and The Cutaneous Lymphoid Proliferations (Wiley, 2007). He maintains active research interests in the molecular biology of skin cancer and the inflammatory dermatoses, and directs the 5-day ASCP education course entitled Dermatopathology : Contemporary Diagnostic Criteria and Strategies, on an annual basis.